1. Rut, T., Walczyk, W., 2000. Obróbka plastyczna Metali. 11 5-8 (in Polish).
2. Rut, T., Walczyk, W.: Part I., 2002. Archiwum Technologii i Automatyzacji, 22, 177-186; Part II. Archiwum Technologii i Automatyzacji 22, 187-196 (in Polish).
3. Walczyk, W., Milenin, A., Pietrzyk, M., 2011. Computer aided design of new forging technology for crank shafts. Steel Research International 82, 187-194.
4. Sztangret, Ł., Milenin, A., Sztangret, M., Walczyk, W., Pietrzyk, M., Kusiak, J., 2011. Computer aided design of the TR forging technology for crank shafts – sensitivity to model and process parameters. Computer Methods in Materials Science 11, 237-242.
5. Milenin, A., Walczyk, W., Pietrzyk, M., 2012. Numerical modeling of microstructure evolution during forging of crank shafts. Steel Research International 83, 808-816.